Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
  • B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
  • B60J7/0007—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs moveable head-liners, screens, curtains or blinds for ceilings
  • B60J7/0015—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs moveable head-liners, screens, curtains or blinds for ceilings roller blind

Definitions

• the present invention relates to a roller blind system for a motor vehicle roof according to the preamble of claim 1.
• each roller blind arrangement is conventionally a separate drive, consisting of a pinion driven by an electric motor and two drive cables driven by the pinion, each on one of the firmly grasp both lateral ends of the drawbar, assigned.
• An alternative possibility would be to drive the two separate drive cable systems, each comprising two drive cables, by means of a common motor and an intermediate gear wheel. In any case, such a roller blind system is quite complex due to the use of four drive cables and two motors, or one motor and one intermediate gear wheel.
• a generic roller blind system is described in DE 197 50 715 C1, two drive cables being driven by a common pinion and a driver being arranged at each of the two ends of each cable.
• the two roller blind arrangements have a different extension length, one of the two drivers being firmly connected to the pull bow of the roller blind with the larger extension length.
• the length of the drive cable is dimensioned so that when the roller blinds, which are arranged back to back, are pulled out, the roller blind with the longer pull-out sounds is pulled out a little by means of the firmly attached drivers before the two free drivers move to the pull bow of the roller blind Create with the shorter extension length, in which case both roller blinds are pulled out together to their full length.
• DE 103 27 352 A1 describes a drive system for a vehicle roof, wherein a motor drives two pinions, which in turn each drive two drive cables.
• DE 103 33 474 A1 describes a drive system for a vehicle roof, wherein a motor drives two drive cables, which together drive a sliding cover of the vehicle roof and a roller blind arranged below the sliding cover opening.
• roller blind system according to claim 1. It is advantageous that by providing an automatic locking element for the releasable coupling of the drive cable firmly coupled to the first roller blind arrangement with the second roller blind arrangement, both roller blind arrangements are driven by the same drive cable even with different extension lengths can be. In this way, it is possible to drive the roller blind system with only a single drive cable or, in the case of a drive on both sides, with two drive cables and to always have a fixed connection between the tension bow and the drive cable in the event of movement. As a result, a cost-effective, compact design with as few components as possible is realized, which is also suitable for roller blind systems with a center-driven drawbar.
• Figure 1 is a schematic view of an inventive blind system from below. 2 shows a schematic perspective view of one of the two drive trains, one of the two drive cables being shown in the decoupled state;
• Fig. 3 is an enlarged perspective view of area III of Fig. 2, but showing the drive cable in the coupled state;
• Fig. 4 is a side view corresponding to Fig. 3;
• FIGS. 5 and 6 are views like FIGS. 3 and 4, but showing the decoupled state of the drive cable shown in FIG. 2;
• Fig. 7 is a schematic perspective view obliquely from below of a blind system according to the invention.
• a roller blind system for a vehicle roof comprises a front roller blind arrangement 10 and a rear roller blind arrangement 12, which are arranged one behind the other in the longitudinal direction of the roof, in order to selectively cover or at least partially expose one or more transparent roof sections from below with respect to the vehicle interior, in order to allow the light and to make the solar radiation in the vehicle interior variable according to the wishes of the vehicle occupants.
• Both roller blind assemblies 10, 12 essentially consist of a winding shaft 14 or 16, onto each of which a roller blind web 18 or 20, starting from one end thereof, can be wound or unwound.
• the other, free end of the roller blind web 18, 20 is provided with a pull bow 22 or 24, which serves to actuate the blind arrangement 10 or 12.
• the two roller blind arrangements 10, 12 can be actuated in the opposite direction, that is, the pull bow 22 or 24 must be moved in the opposite direction in order to unwind or roll out the roller blind web 18 or 20.
• the two winding shafts 14 and 16 are arranged adjacent to one another, ie the roller blind arrangements 19, 10 are arranged “back-to-back”.
• the winding shafts 14, 16 are biased in the winding direction, for example by means of a suitable spring arrangement.
• the two pull bow 22, 24 are each laterally guided in a roof-mounted guide (not shown) in the roof longitudinal direction.
• a common drive system which comprises two drive cables 26 and 28 and an electric motor 30 with a pinion 32 driven by the motor 30, the pinion 32 on its outer circumference with both drive cables 26, 28 per se is known to engage in order to drive them in the opposite direction.
• the two drive cables 26, 28 are designed to be pressure-resistant and are slidably guided in corresponding cable guides (not shown). Each of the drive cables 26, 28 is in fixed engagement with one of the lateral ends of the drawbar 24 of the rear roller blind arrangement 12 at a first point 34 and 36 and in engagement with one of the two lateral ends of the drawbar 22 at a second point 38 and 40 the front roller blind arrangement 10. The first point 34 or 36 and the second point 38 or 40 are located at opposite ends of the respective drive cable 26 or 28, the pinion 32 engaging therebetween. Each drive cable 26, 28 is deflected twice by 90 ° each, the two drive cables 26, 28 together forming a U-shaped configuration in the top view, and the pinion 32 engaging in the connection area between the two “legs” of the U. In this configuration the respective first location 34 or 36 and the respective second location 38 or 40 move in the opposite direction, the respective first location 34 or 36 on the pull bow 24 on a different side than the respective second location 38 or 40 attacks the other pull bow 22.
• the extension length of the roller blind web 20 of the front roller blind arrangement 12 is greater than the extension length of the roller blind web 18 of the rear roller blind arrangement 10.
• Coupling between the second point 38, 40 and the tension bow 22 is made releasable by means of a locking element 42.
• the second digit is 38 or 40 in a first Movement section of the second point 38 or 40 fixedly coupled to the pull bow 22, while in a subsequent second movement section it is decoupled from the pull bow 22, the coupling or decoupling when the boundary between the first and the second movement section is reached by means of the Locking element 42 takes place automatically, as is explained in more detail below with reference to FIGS. 2 to 6.
• a cantilever 44 is provided for the connection of the tension bow 24 to the drive cable 26, which has a tension bow connection 46 at an inner end and at its outer end by means of a gating 48 fixedly at the first point 34 with the drive cable 26 connected is.
• a bracket 50 is provided, which is provided at its inner end with a pull bow connection 46 and is provided at its outer end with a coupling element 52.
• the coupling element has two sliding guide elements 54 which grip around the drive cable 28 such that it is guided displaceably within the sliding guide elements 54.
• the coupling element 52 has a pawl 42 which is pivotably mounted about a pivot bearing 56 with respect to the coupling element 52.
• the pawl has a nose 58 and a link pin 60.
• the drive cable 28 is provided at one end with a sleeve designed as an end cap 62, which surrounds the drive cable and functionally forms the second point 40.
• the coupling element 52 - in contrast to FIG. 2 - is shown in the state in which it is in firm engagement with the drive cable 28, ie in this position the boom 50 and thus the tension bow 22 is fixed coupled to the drive cable 28.
• This coupling takes place in the direction of thrust (direction of arrow 64) by abutment of the tip of the end cap 62 on the nose 58 of the pawl 42 which, for example, either by gravity or spring tension in the 3 and 4 position is held.
• the coupling takes place by contacting the end of the end cap 62 opposite the tip against one of the two sliding guide elements 54.
• the fixed coupling shown in FIGS. 3 and 4 between the drive cable 28 and the boom 50 exists as long as the second point 40 of the drive cable 28, ie the end cap 62, moves in the free pull-out area of the roller blind web 18 (this is the first movement section of the second point 40.
• the decoupled position of the coupling element 52 is shown in FIGS. 5 and 6.
• FIG. 7 schematically shows an example of the implementation of the principle shown in FIGS. 1 to 6 for a roof module 74, which has four transparent roof sections 76A to 76D, which are to be shaded by a roller blind system (the winding shafts and the roller blinds are optional) omitted in Fig. 7).
• the two front roof sections 76A, 76B are longer than the rear roof sections 76C and 76D, so that the front roof sections 76A, 76B require a roller blind arrangement with a greater extension length than for the rear roof sections 76C, 76D.
• the roller blind system shown in FIGS. 1 to 6 corresponds to this requirement.
• each of the two blind arrangements 10 and 12 from FIG. 1 is divided into two mirror-symmetrical sections divided by the center console 78. It is expedient to divide the roller blinds 18, 20, the winding shafts 14, 16 and the tension bow 22, 24 into two sections that are symmetrical with respect to the center console 78.
• the drawbars can have one side on the center console 78 and be guided with the other in the edge area of the roof module 74.
• the winding shafts are expediently arranged in the area of the crossmember 80 between the roof sections 76A, 76B and 76C, 76D.
• connection of the pull bow 22, 24 to the drive cable 26, 28 can either be direct (in this case the elements 48 and 52 of FIG. 2 would be connected to the respective one instead of to the arms 44, 50 Switzerland Spiegel directly connected) or as shown in Fig. 2 via a connecting element, such as a boom 44, 50, take place.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
• Body Structure For Vehicles (AREA)
• Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
• Power-Operated Mechanisms For Wings (AREA)
• Blinds (AREA)
• Non-Portable Lighting Devices Or Systems Thereof (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=34965947

Family Applications (1)

Country Status (6)

Families Citing this family (19)

Family Cites Families (16)

• 2004
  • 2004-04-26 DE DE102004020335A patent/DE102004020335A1/de not_active Ceased
• 2005
  • 2005-04-20 WO PCT/EP2005/004207 patent/WO2005102803A1/fr active Application Filing
  • 2005-04-20 AT AT05732209T patent/ATE413317T1/de not_active IP Right Cessation
  • 2005-04-20 CN CNB2005800212663A patent/CN100478208C/zh not_active Expired - Fee Related
  • 2005-04-20 EP EP05732209A patent/EP1740426B1/fr not_active Not-in-force
  • 2005-04-20 DE DE502005005892T patent/DE502005005892D1/de active Active
  • 2005-04-20 US US11/568,366 patent/US7665793B2/en not_active Expired - Fee Related

Non-Patent Citations (1)

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